さびしい (translations)→ empty forlorn lonely miss
やりきれない (translations)→ bloody hateful intolerably terrible unbearable unbearably uncomfortable unhappy unpardonable
パッとしない (translations)→ insignificant mediocre
厭な (translations)→ disagreeable sour
気の滅入る (translations)→ disheartening
寂しい (translations)→ inhospitable sad
深い (translations)→ absolute close considerable deep deep-cut deeply dense expansive fathomless fine great hearty heavy high major nightmarish penetrating profound soft sticking well
不気味な (translations)→ dismal eerie eerily fantastic formidable haunted monstrous oracular spooky unhealthy weird weirdo
淋しい (translations)→ alone loneliness sorrow